Williams Arizona Weather

Last updated on April 30, 2026.

By AZ Leisure Staff Writers

Average Temperatures in Williams Arizona

Williams Arizona weather is shaped by its high-country elevation near 6,700 feet, giving the town a much cooler climate than the lower deserts of Arizona. Visitors can expect four distinct seasons, with mild summer days, cold winter nights, seasonal snowfall, and crisp spring and fall weather. Because Williams is a popular base for Grand Canyon trips, Route 66 travel, and outdoor recreation, checking average temperatures by month can help travelers plan the best time to visit.

This Williams climate chart shows the average monthly high and low temperatures and average rainfall as well as approximate sunrise and sunset times for each month in Williams, Arizona. This weather information will help you plan the best times to travel or vacation to the Williams, AZ area.

The Best Weather By Season In Williams Arizona

The best weather in Williams depends on the type of trip you are planning. Spring brings cool mornings and comfortable afternoons, making it a good time for sightseeing with fewer crowds. Summer is the warmest and busiest season, but temperatures remain much cooler than Phoenix. Fall is one of the most pleasant times to visit, with crisp air, clear skies, and changing colors in the surrounding forest. Winter can be cold and snowy, creating a scenic mountain-town setting that appeals to visitors looking for snow play or a quieter Route 66 getaway.

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Williams Arizona Weather Info